ROUND ROCK (CBSDFW.COM/AP) — Bombing suspect Mark Conditt’s family says they are “devastated and broken” at the news of his involvement.

The Conditt family released a statement Wednesday afternoon expressing shock and grief, as well as offering their “prayers for those families who have lost loved ones … and for the soul of our Mark.”

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Austin police say Conditt died overnight after he set off an explosive device inside of his vehicle in a suburban Austin hotel parking lot as SWAT teams closed in.

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Conditt’s uncle, Mike Courtney, tells The Associated Press he doesn’t “know that anybody saw this coming.” Courtney described his nephew as a smart, intelligent and kind “computer geek.”

The family’s statement says they had “no idea of the darkness that Mark must have been in.”

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Austin police say Conditt died overnight after he set off an explosive device inside of his vehicle in a suburban Austin hotel parking lot as SWAT teams closed in.